Diverging bar charts

Diverging stacked bar charts are great for showing the spread of negative and positive values, such as Strongly Disagree to Strongly Agree (without a Neutral category) and because they align to each other around the midpoint, they handle some of the criticism of regular stacked bar charts, which is that it is difficult to compare the values of the categories in the middle of the stack.

I can’t find the original link to the Viz containing the image below. I believe it relates to #MakeoverMonday, so if anyone can point me in the right direction, I’ll readily link and credit the Viz creator: